Circuit board cartridge



FIG. 1 is a front and top-left perspective view of a circuit board cartridge according to the principles of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG.. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear perspective view thereof. 

The ornamental design for a circuit board cartridge, as shown and described. 